Home / 19,144.68-26,412.15-14,120.97

Finding the Fourth Proportional to 19,144.68, 26,412.15 and 14,120.97

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Solution

The fourth proportional to 19,144.68, 26,412.15 and 14,120.97 is: 19,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.68 : 26,412.15 = 14,120.97 : x
  2. Step 2: Convert to fraction form
    19,144.68/26,412.15 = 14,120.97/x
  3. Step 3: Cross multiply
    19,144.68x = 26,412.15 × 14,120.97
  4. Step 4: Simplify right side
    19,144.68x = 372,965,177.79
  5. Step 5: Solve for x
    x = 372,965,177.79/19,144.68
  6. Step 6: Final answer
    x = 19,481.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.